<template>
  <!-- sku弹出层组件 -->
  <vk-data-goods-sku-popup v-model="isShowSku" :localdata="localdata" :mode="mode" add-cart-background-color="#FFA868"
    buy-now-background-color="#27BA9B" ref="skuPopupRef" :actived-style="{
      color: '#27BA9B',
      borderColor: '#27BA9B',
      backgroundColor: '#E9F8F5'
    }" @add-cart="onAddCart" @buy-now="onBuyNow" />
  <scroll-view scroll-y class="viewport">
    <!-- 基本信息 -->
    <view class="goods">
      <!-- 商品主图 -->
      <view class="preview">
        <swiper @change="onChange" circular class="swiper">
          <swiper-item v-for="item in goods.images" :key="item">
            <image @tap="onTapImage" class="image" mode="aspectFill" :src="item" />
          </swiper-item>
        </swiper>
        <view class="indicator">
          <text class="current">{{ currentIndex + 1 }}</text>
          <text class="split">/</text>
          <text class="total">{{ goods.images.length }}</text>
        </view>
      </view>
      <!-- 商品简介 -->
      <view class="meta">
        <view class="price">
          <text class="symbol">¥</text>
          <text class="number">{{ goods.basePrice }}</text>
        </view>
        <view class="name ellipsis">{{ goods.name }} </view>
        <view class="desc"> {{ goods.description }} </view>
      </view>
      <!-- 操作面板 -->
      <view class="action">
        <view @tap="openSkuPopup(1)" class="item arrow">
          <text class="label">选择</text>
          <text class="text ellipsis"> {{ selectArrText }} </text>
        </view>
        <view @tap="openPopup('address')" class="item arrow">
          <text class="label">送至</text>
          <text class="text ellipsis"> 请选择收获地址 </text>
        </view>
        <view @tap="openPopup('service')" class="item arrow">
          <text class="label">服务</text>
          <text class="text ellipsis"> 无忧退 快速退款 免费包邮 </text>
        </view>
      </view>
    </view>

    <!-- 商品详情 -->
    <!-- <view class="detail panel">
      <view class="title">
        <text>详情</text>
      </view>
      <view class="content">
        <view class="properties">
       
          <view class="item">
            <text class="label">属性名</text>
            <text class="value">属性值</text>
          </view>
          <view class="item">
            <text class="label">属性名</text>
            <text class="value">属性值</text>
          </view>
        </view>
       
        <image v-for="item in goods?.detailImages" :key="item" mode="widthFix" :src="item"></image>
      </view>
    </view> -->

    <!-- 同类推荐 -->
    <view class="similar panel">
      <view class="title">
        <text>同类推荐</text>
      </view>
      <view class="content">
        <navigator v-for="item in goods?.recommendProducts" :key="item.id" class="goods" hover-class="none"
          :url="`/pages/goods/goods?id=${item.id}`">
          <image class="image" mode="aspectFill" :src="item.mainImage"></image>
          <view class="name ellipsis">{{ item.name }}</view>
          <view class="price">
            <text class="symbol">¥</text>
            <text class="number">{{ item.basePrice }}</text>
          </view>
        </navigator>
      </view>
    </view>
  </scroll-view>

  <!-- 用户操作 -->
  <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
    <view class="icons">
      <button class="icons-button"><text class="icon-heart"></text>收藏</button>
      <button class="icons-button" open-type="contact">
        <text class="icon-handset"></text>客服
      </button>
      <navigator class="icons-button" url="/pages/cart/cart">
        <text class="icon-cart"></text>购物车
      </navigator>
    </view>
    <view class="buttons">
      <view @tap="openSkuPopup(2)" class="addcart"> 加入购物车 </view>
      <view @tap="openSkuPopup(3)" class="buynow"> 立即购买 </view>
    </view>
  </view>
  <!-- uni-ui弹出层 -->
  <uni-popup ref="popup" type="bottom" background-color="#fff">
    <AddressPanel v-if="popupName === 'address'" @close="popup?.close()" />
    <ServicePanel v-if="popupName === 'service'" @close="popup?.close()" />
  </uni-popup>
</template>

<script setup>
import { getGoodsDetailAPI } from '@/services/mall'
import { postUserCartAPI } from '@/services/cart'
import { onLoad } from '@dcloudio/uni-app'
import { computed, ref } from 'vue'
import AddressPanel from './component/AddressPanel.vue'
import ServicePanel from './component/ServicePanel.vue'
// 获取屏幕边界到安全区域距离
const { safeAreaInsets } = uni.getSystemInfoSync()
//接收页面参数（id）
const query = defineProps({
  id: String
})


const goods = ref(
  {
    id: query.id,
    name: '',
    basePrice: 0,
    description: '',
    images: [],
    detailImages: [],
    recommendProducts: [],
    skus: [],
    productSpecs: []
  }
)
//获取商品详情
const getGoodsDetail = async () => {
  const res = await getGoodsDetailAPI(query.id)

  goods.value = res.data
  localdata.value = {
    //商品id
    id: res.data.id,
    //商品名称
    name: res.data.name,
    //商品主图
    goods_thumb: res.data.mainImage,
    //商品规格
    spec_list: res.data.productSpecsVO.map(item => ({
      //规格名称
      name: item.specName,
      //规格列表
      list: item.specValue
    })),
    //商品sku
    sku_list: res.data.productSkuVO.map(item => ({
      _id: item.id,
      goods_id: res.data.id,
      image: item.sku_image,
      name: res.data.name,
      price: item.price * 100,
      stock: item.stock,
      sku_name_arr: item.specsValues
    }))

  }
}

//轮播图切换
const currentIndex = ref(0)
const onChange = (e) => {
  currentIndex.value = e.detail.current
}
//点击轮播图
const onTapImage = (e) => {
  uni.previewImage({
    urls: goods.value.images,
    current: currentIndex.value
  })
}



onLoad(() => {
  getGoodsDetail()
})
//弹出层ref
const popup = ref()
//弹出层条件渲染
const popupName = ref('')
const openPopup = (name) => {
  popupName.value = name
  popup.value.open()
}
//sku弹出层
const isShowSku = ref(false)
const localdata = ref({})
//按钮模式 1-全都显示 2-只显示加入购物车 3-只显示立即购买
const mode = ref(1)
//打开Sku弹窗修改按钮模式
const openSkuPopup = (value) => {
  mode.value = value
  isShowSku.value = true
}
const skuPopupRef = ref()
//计算被选中的值
const selectArrText = computed(() => {
  return skuPopupRef.value?.selectArr?.join(' ').trim() || '请选择商品规格'
})


const cart = ref({
  itemId: '',
  num: '',
  price: '',
  image: '',
  selected: 1
})
//加入购物车事件
const onAddCart = async (event) => {
  cart.value = {
    itemId: event._id,
    num: event.buy_num,
    price: event.price,
    image: event.image,
    selected: 1
  }
  console.log('cart', cart)
  await postUserCartAPI(cart.value)
  uni.showToast({
    title: '加入购物车成功',
    icon: 'success'
  })
  isShowSku.value = false
  console.log('cart', cart)
}

const onBuyNow = (event) => {
  uni.navigateTo({ url: `/pagesOrder/create/create?skuId=${event._id}&count=${event.buy_num}` })
}

</script>


<style lang="scss">
/* 商品信息 */
.goods {
  background-color: #fff;

  .preview {
    height: 600rpx;
    position: relative;

    .swiper {
      width: 100%;
      height: 100%;
    }

    .image {
      width: 100%;
      height: 100%;
    }

    .indicator {
      height: 40rpx;
      padding: 0 24rpx;
      line-height: 40rpx;
      border-radius: 30rpx;
      color: #fff;
      font-family: Arial, Helvetica, sans-serif;
      background-color: rgba(0, 0, 0, 0.3);
      position: absolute;
      bottom: 30rpx;
      right: 30rpx;

      .current {
        font-size: 28rpx;
      }

      .split {
        font-size: 24rpx;
        margin: 0 1rpx 0 2rpx;
      }

      .total {
        font-size: 24rpx;
      }
    }
  }

  .meta {
    position: relative;
    border-bottom: 1rpx solid #eaeaea;

    .price {
      height: 70rpx;
      padding: 5rpx 30rpx;
      color: #fff;
      font-size: 34rpx;
      box-sizing: border-box;
      background-color: #35c8a9;
      /* display: flex;
      align-items: center; // 垂直居中 */
    }

    .number {
      font-size: 56rpx;
    }

    .brand {
      width: 160rpx;
      height: 80rpx;
      overflow: hidden;
      position: absolute;
      top: 26rpx;
      right: 30rpx;
    }

    .name {
      max-height: 88rpx;
      line-height: 1.4;
      margin: 20rpx;
      font-size: 32rpx;
      color: #333;
    }

    .desc {
      line-height: 1;
      padding: 0 20rpx 30rpx;
      font-size: 24rpx;
      color: #262626;
    }
  }

  .action {
    padding-left: 20rpx;

    .item {
      height: 90rpx;
      padding-right: 60rpx;
      border-bottom: 1rpx solid #eaeaea;
      font-size: 26rpx;
      color: #333;
      position: relative;
      display: flex;
      align-items: center;

      &:last-child {
        border-bottom: 0 none;
      }
    }

    .label {
      width: 60rpx;
      color: #898b94;
      margin: 0 16rpx 0 10rpx;
    }

    .text {
      flex: 1;
      -webkit-line-clamp: 1;
      line-clamp: 1;
      /* 添加标准属性 */
    }
  }

}

/* 商品详情 */
.detail {
  padding-left: 20rpx;

  .content {
    margin-left: -20rpx;

    .image {
      width: 100%;
    }
  }

  .properties {
    padding: 0 20rpx;
    margin-bottom: 30rpx;

    .item {
      display: flex;
      line-height: 2;
      padding: 10rpx;
      font-size: 26rpx;
      color: #333;
      border-bottom: 1rpx dashed #ccc;
    }

    .label {
      width: 200rpx;
    }

    .value {
      flex: 1;
    }
  }
}

/* 同类推荐 */
.similar {
  .content {
    padding: 0 20rpx 200rpx;
    background-color: #f4f4f4;
    display: flex;
    flex-wrap: wrap;

    .goods {
      width: calc(50% - 27rpx);
      padding: 24rpx 20rpx 20rpx;
      margin: 20rpx 10rpx;
      border-radius: 10rpx;
      background-color: #fff;
      box-sizing: border-box;
      /* 确保padding包含在宽度内 */
    }

    .image {
      width: 300rpx;
      height: 260rpx;
    }

    .name {
      height: 80rpx;
      margin: 10rpx 0;
      font-size: 26rpx;
      color: #262626;
    }

    .price {
      line-height: 1;
      font-size: 20rpx;
      color: #cf4444;
    }

    .number {
      font-size: 26rpx;
      margin-left: 2rpx;
    }
  }

  navigator {
    &:nth-child(even) {
      margin-right: 0;
    }
  }
}

/* 底部工具栏 */
.toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background-color: #fff;
  height: 100rpx;
  padding: 0 20rpx var(--window-bottom);
  border-top: 1rpx solid #eaeaea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: content-box;

  .buttons {
    display: flex;

    &>view {
      width: 220rpx;
      text-align: center;
      line-height: 72rpx;
      font-size: 26rpx;
      color: #fff;
      border-radius: 72rpx;
    }

    .addcart {
      background-color: #ffa868;
    }

    .buynow,
    .payment {
      background-color: #27ba9b;
      margin-left: 20rpx;
    }
  }

  .icons {
    padding-right: 10rpx;
    display: flex;
    align-items: center;
    flex: 1;

    .icons-button {
      flex: 1;
      text-align: center;
      line-height: 1.4;
      padding: 0;
      margin: 0;
      border-radius: 0;
      font-size: 20rpx;
      color: #333;
      background-color: #fff;

      &::after {
        border: none;
      }
    }

    text {
      display: block;
      font-size: 34rpx;
    }
  }
}
</style>